fix: handling \ character (#353)

Author: cap-Bernardito

src/utils.js

@@ -370,13 +370,17 @@ export function parseSrc(input) {
   return { value, startIndex };
 }
 
-export function normalizeUrl(url) {
-  return decodeURI(url).replace(/[\t\n\r]/g, '');
-}
-
 const moduleRequestRegex = /^[^?]*~/;
 const matchNativeWin32Path = /^[A-Z]:[/\\]|^\\\\/i;
 
+export function normalizeUrl(url) {
+  return matchNativeWin32Path.test(url)
+    ? decodeURI(url).replace(/[\t\n\r]/g, '')
+    : decodeURI(url)
+        .replace(/[\t\n\r]/g, '')
+        .replace(/\\/g, '/');
+}
+
 export function requestify(url) {
   if (matchNativeWin32Path.test(url) || url[0] === '/') {
     return url;

test/__snapshots__/esModule-option.test.js.snap

@@ -436,4 +436,9 @@ <h2>An Ordered HTML List</h2>
 
 <meta itemprop="a" content="./image.png" />
 <meta itemprop="b" content="./image.png" />
-<meta itemprop=" " content="./image.png" />
+<meta itemprop=" " content="./image.png" />
+
+<img src='.\nested\image3.png' />
+<img src='\nested\image3.png' />
+<img src='/nested\image3.png' />
+<img src='nested\image3.png' />